12561145 (number)

12561145 is an odd 8-digits composite number following 12561144 and preceding 12561146. In scientific notation, it is written as 1.2561145 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10048912 positive integers (up to 12561145) that are relatively prime to 12561145.

Interesting facts

Basic properties

Name

Name twelve million five hundred sixty-one thousand one hundred forty-five

Notation

Scientific notation 1.2561145 × 10^7
Engineering notation 1.2561145 × 10^6

Prime Factorization of 12561145

Prime Factorization 5 × 2512229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12561145
Product of the distinct prime numbers

The prime factorization of 12561145 is 5 × 2512229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561145)

Multiplication

n×y
n×2 25122290
n×3 37683435
n×4 50244580
n×5 62805725

Division

n÷y
n÷2 6280572.5
n÷3 4187048.3333333
n÷3 3140286.25
n÷5 2512229

Exponentiation

ny
n2 157782363711025
n3 1.9819271490169E+21
n4 2.4895274298238E+28
n5 3.1271315027494E+35

Nth Root

y√n
2√n 3544.1705658729
3√n 232.45723960216
4√n 59.532936815455
5√n 26.290923760391

Divisors of 12561145

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12561144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12561145 can be divided by 4 positive divisors. The sum of these divisors (counting 12561145) is 1, the average is 0.25.

Base conversion 12561145

Base System Value
2 Binary 101111111010101011111001
3 Ternary 212122011122121
4 Quaternary 233322223321
5 Quinary 11203424040
6 Senary 1125121241
8 Octal 57725371
10 Decimal 12561145
12 Duodecimal 4259221
16 Hexadecimal bfaaf9
20 Vigesimal 3ia2h5
36 Base36 7h88p

Cryptographic Hash Functions

md5 87a7ebf37fdb58dfe977ee2c05dddad1
sha1 9a6c7cbda5e3774d0f7bffa66071c98b0a51fe62
sha256 267d1aab4d50cecce863e7dd1ed488b04ec2c984a06900f3ee118cb41dc621de
sha512 d139b6959173a7cd741167b79a50781911b14e3c5a9da14bb859cab9756b3f1ead48f479ac5d1984d3d05246d192a8669bcd21434a3c3de2784a0ead065bc2b3
ripemd-160 feec1b8b8b762f2a9f52965ac0ae189e0eac77da

12561145 as geometric shapes

Circle

Radius = n
Diameter 25122290
Circumference 78924001.705352
Area 4.9568791470059E+14

Sphere

Radius = n
Volume 8.3018770284023E+21
Surface area 1.9827516588024E+15
Circumference 78924001.705352

Square

Length = n
Perimeter 50244580
Area 157782363711025
Diagonal 17764141.617935

Cube

Length = n
Surface area 946694182266150
Volume 1.9819271490169E+21
Space diagonal 21756541.34124

Equilateral Triangle

Length = n
Perimeter 37683435
Area 68321767621452
Altitude 10878270.67062

Triangular Pyramid

Length = n
Surface area 68321767621452
Volume 2.3357235448126E+20
Height 5921380.5393117